Home / 4,643.80-6,407.94-3,025.78

Finding the Fourth Proportional to 4,643.80, 6,407.94 and 3,025.78

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Solution

The fourth proportional to 4,643.80, 6,407.94 and 3,025.78 is: 4,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.80 : 6,407.94 = 3,025.78 : x
  2. Step 2: Convert to fraction form
    4,643.80/6,407.94 = 3,025.78/x
  3. Step 3: Cross multiply
    4,643.80x = 6,407.94 × 3,025.78
  4. Step 4: Simplify right side
    4,643.80x = 19,389,016.69
  5. Step 5: Solve for x
    x = 19,389,016.69/4,643.80
  6. Step 6: Final answer
    x = 4,175.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.